WO2009131477A2 - Equipement de réduction de pression d'un gaz ou d'un mélange de gaz - Google Patents

Equipement de réduction de pression d'un gaz ou d'un mélange de gaz Download PDF

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Publication number
WO2009131477A2
WO2009131477A2 PCT/PT2009/000022 PT2009000022W WO2009131477A2 WO 2009131477 A2 WO2009131477 A2 WO 2009131477A2 PT 2009000022 W PT2009000022 W PT 2009000022W WO 2009131477 A2 WO2009131477 A2 WO 2009131477A2
Authority
WO
WIPO (PCT)
Prior art keywords
gas
pressure
tesla
turbine
gas mixture
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/PT2009/000022
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English (en)
Other versions
WO2009131477A3 (fr
Inventor
António José SILVA VALENTE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Partex Services Portugal Servicos para a Industria Petrolifera SA
Original Assignee
Partex Services Portugal Servicos para a Industria Petrolifera SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Partex Services Portugal Servicos para a Industria Petrolifera SA filed Critical Partex Services Portugal Servicos para a Industria Petrolifera SA
Priority to EP09735142.3A priority Critical patent/EP2614226A2/fr
Priority to US13/146,558 priority patent/US20120007368A1/en
Publication of WO2009131477A2 publication Critical patent/WO2009131477A2/fr
Anticipated expiration legal-status Critical
Publication of WO2009131477A3 publication Critical patent/WO2009131477A3/fr
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/06—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using mixtures of different fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/34—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes
    • F01D1/36—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes using fluid friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for

Definitions

  • the present invention relates to a pressure reduction plant for a gas or gas mixture and recovering of the pressure power lost by said gas or gas mixture, during the reduction of the pressure of said gas or gas mixture, transforming it into mechanical power, using at least a turbo generator set driven by at least a Tesla turbine.
  • the Tesla turbines transform the pressure power of a gas or gas mixture into mechanical power, by the rotation of a shaft coupled to one or several flat and parallel discs arranged in an appropriate way, this kind of turbine having been originally described by Nikola Tesla in the US patents nos. 1 ,061,142 and 1 ,061 ,206.
  • turbo generators associated with natural gas pressure reduction stations, associated with gas pipelines, which also take advantage of part of the gas pressure drop.
  • the electric power is generated by such turbo generators, which is primarily used to reheating the gas after the same has undertaking a reduction to the temperature and pressure of delivering to consumers.
  • gas liquefaction plants in which it is processed the liquefaction of great masses of gas or of gas mixtures, according to the present state of the art, said gas or gas mixture is subjected to a compression followed by the extraction of the released heat, through refrigerating means, in order to lower its temperature to the required values with elevated power consumption and pollution.
  • the present invention has for its object a pressure reduction plant of a gas or gas mixture, normally referred as natural gas, for delivering to consumers, which turns compulsory that said gas, normally stored at high pressures, in the range of 6000 kPa (G) at the room temperature of about 2O 0 C, is submitted to a pressure reduction process compatible with the specifications of the consumer delivering contract, normally, for a pressure in the range of 1600 kPa (G) at the temperature of 5 0 C for the delivering networks in a first steep and yet to a process of pressure reduction to about 200 kPa (G) at the same temperature of 5 0 C for the users.
  • a pressure reduction plant of a gas or gas mixture normally referred as natural gas
  • the present invention has for its object to take advantage of that singularity, using a turbo generator for reducing the pressure of a flow rate of natural gas, wherein it is used a Tesla turbine, for the recovery of the lost pressure power, transforming the same in mechanical power, simultaneously with the reduction of the pressure of the natural gas in a pressure reduction plant associated with a gas pipeline, in order that, after the process wherein the gas is subjected to a pressure reduction and its temperature adjusted to the required values, will said gas be able to be send for use for the delivering networks to the consumers, in a more economic way than what is presently achieved.
  • Said gas to be liquefied is used as motive fluid by one or several of the turbo generator sets, driven by Tesla turbines, arranged in cascade, in series and/or in parallel and/or in series and parallel, the said gas in the exit part being liquefied by cooling in a refrigerating circuit.
  • the plant object of the present invention is defined by the features of the claim 1 , the details of its several embodiments being defined in the following sub-claims.
  • FIGURE 1 shows a simplified schematic illustration of a first embodiment of the plant according to the present invention and a simplified schematic illustration of a partial section of a Tesla turbine
  • FIGURE 2 shows a simplified schematic illustration of a second embodiment of the plant according to the present invention
  • FIGURE 3 shows a further simplified schematic illustration of a third embodiment of the plant according to the present invention
  • FIGURE 4 shows a further simplified schematic illustration of a fourth embodiment of the plant according to the present invention
  • FIGURE 5 shows a further simplified schematic illustration of a fifth embodiment of the plant according to the present invention.
  • a first embodiment of the plant according to the invention which operates as natural gas pressure reduction plant by means of the use of a Tesla turbine T, inserted in the natural gas pipeline which pressure is intended to be reduce, in which it is done a pressure reduction of said natural gas, with low temperature reduction, being generated electric power by the respective turbo generator set.
  • the gas with reduced pressure will be delivered for the final use through the pipeline 16, its flow rate being regulated by the control valve 14, associated with the flowmeter 13, the pipeline being protected against eventual overpressure by the security valve 15.
  • the rotor 1 of the Tesla turbine T drives the electrical power generator 7 through respectively its shaft 5 and the reduction gear 8.
  • the electrical power generator 7 supplies the electric power generated through the connection cable 11 to a transforming and delivering electrical unit 12 which, in turn, is connected to the power exportation grid through the exportation cable 29.
  • the shut off valves 32 which serve, for example, for isolation of the turbine and remaining equipment in case of need.
  • the process temperature is controlled by the thermometer 30 and the pressure by the pressure gauge 31 installed in the high pressure pipe and by the thermometer 33 and pressure gauge 34 installed in the low pressure pipes.
  • this embodiment differs from the first by the fact that a part of the electric power, produced by the turbo generator set 7 driven by a Tesla turbine T, be able to be used to heat the processed gas, by means of an electrical exchanger 17, in the cases wherein the need for use thereof so determines, that is, in the case of the gas with reduced pressure, flowing in low pressure pipe 4, requires heating for processing or contractual reasons before its delivery for the final use through the pipeline 16, that part of the electric power being generated by the power generator 7, sent to a transforming and delivering electrical unit 12, which supplies it through the connection cable 18 to an electrical exchanger 17, mounted in the low pressure pipe 4, which is intended for heating of said gas s .
  • the gas with reduced pressure from the pipe 4 after heating will be delivered for the final use through the pipeline 16, its flow rate being regulated by the flow rate control valve 14, associated with the flowmeter 13, the pipeline being protected from eventual overpressure by the security valve 15.
  • the electric power generated and not used for heating the gas is delivered to the power exportation grid through the exportation cable 29, through the same transforming and delivering electrical unit 12.
  • FIGURE 3 It is schematically shown in the FIGURE 3 a third embodiment of the plant according to the invention, for the liquefaction by pressure reduction with low temperature variation of a gas mixture such as propane, butane and methane, wherein in a first steep of the process comprising a reduction of specific volume and corresponding volumetric flow rate it is done in the Tesla turbine T of a turbo generator set, which consists in a pressure reduction with low temperature variation of said mixture.
  • the electric power is also generated and said electric power being total or partially used simultaneously to drive a cryogenic circuit which will complement the cooling of said gas mixture in order to obtain its liquefaction.
  • the gas mixture to liquefy enters through the high pressure pipeline 6 in the Tesla turbine T where it undertakes a specific volume reduction and pressure reduction at a substantially constant temperature, driving in rotation the rotor 1 (not shown), transforming pressure power of the gas mixture into mechanical power that will be transmitted by the rotation of the shaft 5 of the Tesla turbine T to a reduction gear 8, which in turn will drive an electrical power generator 7.
  • the low pressure gas mixture leaves the Tesla turbine T through the low pressure pipe 4, passes through a cooling exchanger 19, in which circulates in counter-current a coolant fluid, which enters by the inlet pipe 24, after having been cooled in the cooler 25.
  • Said coolant fluid leaves the exchanger 19 through the pipe 22 with its temperature increased due to the thermal exchange with the gas mixture to liquefy and will be compressed in the compressor 21 driven by the engine 20 and it is returned through the pipe 23 to said cooler 25, where its temperature is reduced by thermal exchange with the surrounding environment.
  • the engines 20 and 26 of the cooling plant of the gas to be liquefied are driven partially or totally by the electric current generated in the generator 7 and received through the transforming and delivering electrical unit 12, respectively, through the connection cables 18 and 27.
  • the power exportation cable 29 which will serve also for importation electrical power from external power grid in the reverse situation.
  • FIGURE 4 there is schematically shown a fourth embodiment of the plant according to the invention, wherein several turbo generator sets driven by Tesla turbines are mounted in series, in order to obtain a final reduction of the pressure, with low temperature reduction, in several steeps, to optimise the size of each turbine.
  • the gas enters in the plant through the high pressure pipeline 6 with the flow rate controlled by the flow rate control valve 9, associated with the flowmeter 10, its pressure and temperature parameters being measured, respectively, by pressure gauge 31 and thermometer 30, passing to the first pressure reduction steep with low temperature reduction in the first Tesla turbine T, leaving it through the low pressure pipe 4 and being generated electric power by the electric power generator 7.
  • Said gas after the first pressure reduction steep, passes to the second pressure reduction steep with low temperature reduction in the second Tesla turbine Ta, leaving it through the low pressure pipe 4a and being generated electric power by the second generator 7a.
  • Said gas, after the second pressure reduction steep passes to the third pressure reduction steep with low temperature reduction in the third Tesla turbine Tb, leaving it through the low pressure pipe 4b and being generated electric power by the third generator 7b.
  • the gas or gas mixture leaves then in the required conditions from the third Tesla turbine Tb through the low pressure pipe 4b, for final use through the exportation pipeline 16, its flow rate and pressure being controlled by the flow rate control valve 14, associated with the flowmeter 13, and the security of the system being guaranteed by the pressure control valve 15 mounted in pipeline 16.
  • the final pressure and temperature will be measured, respectively, by the pressure gauge 34 and thermometer 33.
  • the electric power generated by the three generators 7, 7a and 7b will be delivered to the transforming and delivering electrical unit 12 through the connection cables 11 , 11a and 11b, from where it is exported through the exportation cable 29 to an external grid.
  • FIGURE 5 there is schematically shown a further plant for carrying out the process according to the invention, wherein two turbo generated sets driven by Tesla turbines are arranged in parallel in order to be obtained a final pressure reduction with low temperature reduction, when of the mass flow rate so determines, in order to optimise the size of each turbine.
  • this plant there are used two generator sets driven by the Tesla turbines Tc and Td arranged in parallel, in order to optimise the size of each turbine, in cases where it is necessary, due to the great mass flow rate to process.
  • the gas enters in the system through the high pressure pipeline 6 with flow rate, controlled by the flow rate control valve 9, associated with the flowmeter 10, its pressure and temperature parameters being measured, respectively, by the pressure gauge 31 and by the thermometer 30, the flow rate being divided for two Tesla turbines Tc and Td through the high pressure pipes 6c and 6d respectively.
  • each turbine there is simultaneously carried out a pressure reduction with low temperature reduction, the gas or gas mixture leaving with reduced pressure and with low temperature reduction, respectively, through the low pressure pipes 4c and 4d, through which it is delivered to the common exportation pipeline 16, its flow rate being controlled by the flow rate control valve 14, associated with the flowmeter 13 and its pressure and temperature measured, respectively, by the thermometer 33 and by the pressure gauge 34, and the security of the system guaranteed by the security valve 15 mounted in the exportation pipeline 16.
  • the electric power generated by the two generators 7c and 7d will be delivered to the transforming and delivering electrical unit 12 through the connection cables 11c and 11d, from where it will be exported through the exportation cable 29 to the external electrical grid.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Control Of Turbines (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

La présente invention concerne un équipement de réduction de pression d’un gaz ou d’un mélange de gaz et de récupération de la puissance de pression perdue par ledit gaz ou mélange de gaz, ledit gaz ou ledit mélange de gaz circulant à travers au moins une turbine d’entraînement d’une turbogénératrice de courant électrique comprenant une conduite d’entrée haute pression (6, 6c, 6d) à travers laquelle ledit gaz alimente ladite turbine de Tesla, une soupape de régulation du débit (9), un débitmètre (10), au moins une turbine de Tesla (T, Ta, Tb, Tc, Td), un tuyau d’évacuation basse pression (4, 4a, 4b, 4c, 4d) de la turbine de Tesla du gaz à pression réduite, une soupape de régulation du débit (14), un débitmètre (13), une soupape de sécurité (15) et une conduite d’échappement finale (16) du gaz à pression réduite, ladite ou lesdites turbines d’entraînement de Tesla (T, Ta, Tb, Tc, Td) étant au moins un générateur de courant électrique, ledit générateur (7, 7a, 7b, 7c, 7d) amenant le courant généré au moyen d’un câble de connexion (11, 11a, 11b, 11c, 11d) à une unité de transformation et de distribution de courant (12), raccordée par un câble de connexion (18) aux dispositifs de l’équipement lui-même ou par un câble d’exportation (29) à un réseau extérieur.
PCT/PT2009/000022 2008-04-21 2009-04-20 Equipement de réduction de pression d'un gaz ou d'un mélange de gaz Ceased WO2009131477A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09735142.3A EP2614226A2 (fr) 2008-04-21 2009-04-20 Equipement de réduction de pression d'un gaz ou d'un mélange de gaz
US13/146,558 US20120007368A1 (en) 2008-04-21 2009-04-20 Pressure reduction plant for a gas or gas mixture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT104023A PT104023A (pt) 2008-04-21 2008-04-21 Instalação para redução da pressão de um gás ou mistura de gases
PT104023 2008-04-21

Publications (2)

Publication Number Publication Date
WO2009131477A2 true WO2009131477A2 (fr) 2009-10-29
WO2009131477A3 WO2009131477A3 (fr) 2011-11-17

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PCT/PT2009/000022 Ceased WO2009131477A2 (fr) 2008-04-21 2009-04-20 Equipement de réduction de pression d'un gaz ou d'un mélange de gaz

Country Status (6)

Country Link
US (1) US20120007368A1 (fr)
EP (1) EP2614226A2 (fr)
AR (1) AR071476A1 (fr)
PE (1) PE20100125A1 (fr)
PT (1) PT104023A (fr)
WO (1) WO2009131477A2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010017733A1 (de) 2010-07-05 2012-01-05 Robert Stöcklinger Tesla-Turbine und Verfahren zur Wandlung von Strömungsenergie eines Fluids in kinetische Energie einer Welle einer Tesla-Turbine
US9188006B2 (en) 2011-09-15 2015-11-17 Leed Fabrication Services, Inc. Boundary layer disk turbine systems for controlling pneumatic devices
US9194233B2 (en) 2013-02-13 2015-11-24 William W. Cochran Disk turbine using heat pipes
US9410426B2 (en) 2011-09-15 2016-08-09 Leed Fabrication Services, Inc. Boundary layer disk turbine systems for hydrocarbon recovery
US9689608B2 (en) 2013-03-14 2017-06-27 Leed Fabrication Services, Inc. Methods and devices for drying hydrocarbon containing gas
WO2018009995A1 (fr) * 2016-07-15 2018-01-18 Universidade Federal Do Rio Grande Do Sul Système réducteur de pression avec réutilisation énergétique, et utilisation dudit système

Families Citing this family (4)

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Publication number Priority date Publication date Assignee Title
MA40693A (fr) * 2014-06-24 2017-05-02 Amirhossein Eshtiaghi Appareil et procédé d'extraction d'énergie
BR102019015247B8 (pt) * 2019-07-24 2020-07-07 Companhia Jaguari De Energia Cjee sistema e método de controle de pressão com reaproveitamento energético utilizando turbina redutora de pressão
WO2023034159A1 (fr) * 2021-09-03 2023-03-09 Tap Energy LLC Système de turbine hydroélectrique et procédé d'utilisation
CN120444135B (zh) * 2025-07-03 2025-09-12 西北工业大学 一种涡喷发动机及飞行器

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US3416324A (en) * 1967-06-12 1968-12-17 Judson S. Swearingen Liquefaction of a gaseous mixture employing work expanded gaseous mixture as refrigerant
US4328674A (en) * 1977-08-23 1982-05-11 Joachim Wenzel Power station
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US20020182054A1 (en) * 2000-12-14 2002-12-05 Entrican Harold Leo Tesla turbine
US6682077B1 (en) * 2001-02-14 2004-01-27 Guy Louis Letourneau Labyrinth seal for disc turbine
US20030070432A1 (en) * 2001-03-05 2003-04-17 Nalin Walpita Natural gas depressurization temperature maintenance expansion system with production of useful work
US20050180845A1 (en) * 2002-04-04 2005-08-18 Vreeke Mark S. Miniature/micro-scale power generation system
US7010920B2 (en) * 2002-12-26 2006-03-14 Terran Technologies, Inc. Low temperature heat engine
US7808118B2 (en) * 2005-07-14 2010-10-05 Berkson Bruce R Method for creating energy sources for a vehicle drive system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010017733A1 (de) 2010-07-05 2012-01-05 Robert Stöcklinger Tesla-Turbine und Verfahren zur Wandlung von Strömungsenergie eines Fluids in kinetische Energie einer Welle einer Tesla-Turbine
WO2012004127A1 (fr) 2010-07-05 2012-01-12 Stoecklinger Robert Turbine de tesla et procédé pour faire fonctionner une turbine de tesla
DE102010017733B4 (de) * 2010-07-05 2013-08-08 Robert Stöcklinger Tesla-Turbine und Verfahren zur Wandlung von Strömungsenergie eines Fluids in kinetische Energie einer Welle einer Tesla-Turbine
US9188006B2 (en) 2011-09-15 2015-11-17 Leed Fabrication Services, Inc. Boundary layer disk turbine systems for controlling pneumatic devices
US9410426B2 (en) 2011-09-15 2016-08-09 Leed Fabrication Services, Inc. Boundary layer disk turbine systems for hydrocarbon recovery
US9194233B2 (en) 2013-02-13 2015-11-24 William W. Cochran Disk turbine using heat pipes
US9689608B2 (en) 2013-03-14 2017-06-27 Leed Fabrication Services, Inc. Methods and devices for drying hydrocarbon containing gas
WO2018009995A1 (fr) * 2016-07-15 2018-01-18 Universidade Federal Do Rio Grande Do Sul Système réducteur de pression avec réutilisation énergétique, et utilisation dudit système

Also Published As

Publication number Publication date
PT104023A (pt) 2009-10-21
WO2009131477A3 (fr) 2011-11-17
AR071476A1 (es) 2010-06-23
US20120007368A1 (en) 2012-01-12
EP2614226A2 (fr) 2013-07-17
PE20100125A1 (es) 2010-02-20

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